Light concentrator and projector.



G. G, MYERS. LIGHT GONGENTMTOR AND PROJECTOR. AYPLICATION FILED JAN 7, 1910 I 5 prises a stationary bracket 12"), scoured meer le.

3 olaim and desire to secure by Letters supporting bracket 12, shown in The preterable means, however, for supporting' and adjusting the Supportingetem or bar itl., l

is shown in Fig". el, of the drawings, and rouione of the armsI 11, of the dental or ,fiurggu'izl chair, Suid bracket 13, boingn provided aty its end with a Clamping-head 15, and a el ing;r thumb-screw or bolt 1G.

The form of mounting just. described and illustrated in Fig. 4, of the drawings ie pre/l erable for the ver)Y obvious reason that it, eliminates the neceeily it'or adjusting; or

Irchanging the supportingl means with a in p everv i5 movement or adjustment of 'the denial or surgical ehair since the etatifmarvniraelnii155. follows the movements ol' the ehziir and therefore lilrmgs the eoneentrator or prrr jeotor into the saine relative posirion 'with o respect to the patient. after being` one@A adjusted. n I i l The liousin or mam boch 'oortion 2 ,is

provided at its front with a projecting tube 17,\earry1ng a pair of projecting or lenS end with a (huilde-convex lens 1S), Said tuberiY being oppositely arranged with their open or opposite endel toleseoping so that the leones 19, may be moved to and from each other 0 for the purpose of, reguluitingn the concentra? tion and projection of the rays oi" light, ar; desired. One of the tubes 1S, has; ius iene end Slidabl)Y mounted in the projet-tine' tube 17, whereby the lenS 19, Carried thereby maiV be moved to and from the sourre ol illuuii nation as desired ior the purpoee ol? rontributing to the funi-tion above stated with respeet -t'o the relatii'e movement of the lenses 15), carried in the leus tubes From the .ioi'egoii'ig ifleseriplion, taken eonneetion with the areompanying drawi the operation and advaniages of my inven lion will be readilvvy understood.

Having thun deeribed my invention, what 'll-'i l'- 2. A li iht eoncentrator and oro eetor. eomi i i prision' a eouree'of illuniination, a nniiulaitly pirtion provided u'ith a projecting inhe,

iiexible adjusting' and'y supporting hoh 2 and oppositely disposed lens-tubes harii teleseoping open ends, one of Said tubes ing slidably mounted in seid proieetii i' tirV i, and provided with a lens in Close prox to said source of illumination.

een'

upon

Each tube 18, is provided at, one

` light ConeentriiLor and projector, @our Y a wuree. oil illumination, a main por i prfwidod with a` proieeting' lt'ulle. a ble holder lor adju" r and holding! :iid main body portion, :i projecting); E lube haring one eid slidiihlv annulled in faul iii-u iurtuiouial projertfingif tube and pro--y .'idtd with a leus. aud a third projeetiro' lu lidahlv umuutod 'in'Said Seeond liu. and proriilml al lia iront,

end with an ob jertife-leiw. i

l. A light oonernl'ralor and projeetor, eoinfuislne .i mp hud): tl iin adiuetably minin'ted holder, ui adjudi-able shield on said lampbodjy, `id projectino .tubes erich provided with a.tloiihlif-eon-rox lenS at one end and having their open ends ieleeeoping, one ofq yaid tutu,x linviV ilel lens ends slidebly and connected to said open lamp llelie-oordent ator and projectoi,eomprifu ,l a :tourt-e of illumination, a ventilated l pir.,r\ 'tiiipj lube dotaehably Connected to Seid i .'veoiu'ee o'l illumination and provided With a projwting shield s hove and a lens in front oi the latter, an adiuelablv mounted support ingr holder, and a Second tube haring one end alidably mounted in Said first mentioned projo-ling; lube and provided at its front with an obiertive lens.

t3. ,il light'eoncentrator and projector, eo1nprisme a ymaree ot illumination, a main body pori ion ha ving a lightl emitting openportion below said more@ ot' 'illumination and provided with a, infojorting tube, a. lens in said ilironiertiun lube in rlose proximity to said nourrie ot illumination, and a second. projerli lube having; one end elidably mountnon, a ventilated p .shiold above di'liuemgg open Aion below prieinu lanui o and,

iouree of illilmiur (o ivf #aid .source olf' iiluininationJA 'lensing .s in trout ot said source o` uinina'lion,

rovided u ieri lira i i 1r and proj eetor, oom-- i o? illummatioi'i, a mani body porl'iui .la n ii y t, emitting opening be tm ual/.l @tour/:e illuuunaition, and prouili a proirrtlug iube, and lenses ruled in wild lune. f-oiu-eolral'or and proieetor, in l oetion 'forming a pro "exiting` hood at one end lens, said hood being' .y eouree ot' illumination hood in elinernent .mui-ro ol? illumination, an openA with the lens, and an objective carrying seetion telescopiczilly adjustable into the first named section.

l0. A light-ooncentratoi' and projector, comprising :i source of illumination, a main body portion provided with a protecting vhood above and a light emitting open portion below said source of illumination, a projecting tube provided with a lens in close proximity to said source of illumination, 10 and an objective lens at the outer or front end of Said projecting tube.

In testimony whereof I have aflixed my signature, in presence of two witnesses.

CHARLES G. MYERS l.Witnesses GARDNER ABBOTT, L. L. MCCALLUM. 

